This courtesy is extended in response to informal requests by organs or committees of the United Nations or by individual delegations and often in connection with the run-up to major intergovernmental meetings and conferences.
Esa gentileza respondía a solicitudes oficiosas de órganos o comités de las Naciones Unidas o de delegaciones, a menudo vinculadas a la preparación de grandes reuniones y conferencias intergubernamentales.